30305159 has 2 divisors, whose sum is σ = 30305160. Its totient is φ = 30305158.

The previous prime is 30305141. The next prime is 30305167. The reversal of 30305159 is 95150303.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30305159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30305129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15152579 + 15152580.

It is an arithmetic number, because the mean of its divisors is an integer number (15152580).

Almost surely, 2^30305159 is an apocalyptic number.

30305159 is a deficient number, since it is larger than the sum of its proper divisors (1).

30305159 is an equidigital number, since it uses as much as digits as its factorization.

30305159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 30305159 is about 5505.0121707404. The cubic root of 30305159 is about 311.7732539186.

The spelling of 30305159 in words is "thirty million, three hundred five thousand, one hundred fifty-nine".